Frequently Asked Questions

The Ohio Department of Taxation has compiled a list of frequently asked questions covering many different categories.

To view the questions, click on the "Select Category" bar and then click on the category you are interested in. A list of questions will appear pertaining to that category. Then click on the question you are inquiring about and the answer will appear.

What is the Commercial Activity Tax ("CAT")?

The CAT is an annual tax imposed on the privilege of doing business in Ohio, measured by taxable gross receipts from most business activities. Most receipts generated in the ordinary course of business are subject to the CAT. The CAT only applies to those gross receipts that are sitused (sourced) to Ohio (i.e., taxable gross receipts – see FAQs #23 through #25).